$57.99 Drillpro 1/2 HSS High Speed Steel Heavy Duty Reduced Shank Twist Drill Bit Set 8Pcs Drill Bits 
KnKut® 33KK12 - 33 Piece 1/2 Reduced Shank Drill Bit Set 1/2-1 by 64ths
Bosch 1/2 in. Multi-Purpose Tungsten Carbide Drill Bit for Drilling Tile, Masonry, Wood, Metal 
